Home / 131,900.20-182,022.02-71,472.48

Finding the Fourth Proportional to 131,900.20, 182,022.02 and 71,472.48

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Solution

The fourth proportional to 131,900.20, 182,022.02 and 71,472.48 is: 98,631.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,900.20 : 182,022.02 = 71,472.48 : x
  2. Step 2: Convert to fraction form
    131,900.20/182,022.02 = 71,472.48/x
  3. Step 3: Cross multiply
    131,900.20x = 182,022.02 × 71,472.48
  4. Step 4: Simplify right side
    131,900.20x = 13,009,565,184.01
  5. Step 5: Solve for x
    x = 13,009,565,184.01/131,900.20
  6. Step 6: Final answer
    x = 98,631.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.